release/src/router/libncurses/ncurses/tinfo/name_match.c

   1 /****************************************************************************
   2  * Copyright (c) 1999-2012,2013 Free Software Foundation, Inc.              *
   3  *                                                                          *
   4  * Permission is hereby granted, free of charge, to any person obtaining a  *
   5  * copy of this software and associated documentation files (the            *
   6  * "Software"), to deal in the Software without restriction, including      *
   7  * without limitation the rights to use, copy, modify, merge, publish,      *
   8  * distribute, distribute with modifications, sublicense, and/or sell       *
   9  * copies of the Software, and to permit persons to whom the Software is    *
  10  * furnished to do so, subject to the following conditions:                 *
  11  *                                                                          *
  12  * The above copyright notice and this permission notice shall be included  *
  13  * in all copies or substantial portions of the Software.                   *
  14  *                                                                          *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
  16  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
  17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
  18  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
  21  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
  22  *                                                                          *
  23  * Except as contained in this notice, the name(s) of the above copyright   *
  24  * holders shall not be used in advertising or otherwise to promote the     *
  25  * sale, use or other dealings in this Software without prior written       *
  26  * authorization.                                                           *
  27  ****************************************************************************/
  28
  29 /****************************************************************************
  30  *  Author: Thomas E. Dickey                    1999-on                     *
  31  ****************************************************************************/
  32
  33 #include <curses.priv.h>
  34 #include <tic.h>
  35
  36 MODULE_ID("$Id: name_match.c,v 1.23 2013/05/25 20:20:08 tom Exp $")
  37
  38 #define FirstName _nc_globals.first_name
  39
  40 #if NCURSES_USE_TERMCAP && NCURSES_XNAMES
  41 static const char *
  42 skip_index(const char *name)
  43 {
  44     if ((_nc_syntax == SYN_TERMCAP) && _nc_user_definable) {
  45         const char *bar = strchr(name, '|');
  46         if (bar != 0 && (bar - name) == 2)
  47             name = bar + 1;
  48     }
  49     return name;
  50 }
  51 #endif
  52
  53 /*
  54  * Get the primary name from the given name list.  For terminfo, this is the
  55  * first name.  For termcap, this may be the second name, if the first one
  56  * happens to be two characters.
  57  */
  58 NCURSES_EXPORT(char *)
  59 _nc_first_name(const char *const sp)
  60 {
  61     unsigned n;
  62
  63 #if NO_LEAKS
  64     if (sp == 0) {
  65         if (FirstName != 0) {
  66             FreeAndNull(FirstName);
  67         }
  68     } else
  69 #endif
  70     {
  71         if (FirstName == 0)
  72             FirstName = typeMalloc(char, MAX_NAME_SIZE + 1);
  73
  74         if (FirstName != 0) {
  75             const char *src = sp;
  76 #if NCURSES_USE_TERMCAP && NCURSES_XNAMES
  77             src = skip_index(sp);
  78 #endif
  79             for (n = 0; n < MAX_NAME_SIZE; n++) {
  80                 if ((FirstName[n] = src[n]) == '\0'
  81                     || (FirstName[n] == '|'))
  82                     break;
  83             }
  84             FirstName[n] = '\0';
  85         }
  86     }
  87     return (FirstName);
  88 }
  89
  90 /*
  91  * Is the given name matched in namelist?
  92  */
  93 NCURSES_EXPORT(int)
  94 _nc_name_match(const char *const namelst, const char *const name, const char *const delim)
  95 {
  96     const char *s, *d, *t;
  97     int code, found;
  98
  99     if ((s = namelst) != 0) {
 100         while (*s != '\0') {
 101             for (d = name; *d != '\0'; d++) {
 102                 if (*s != *d)
 103                     break;
 104                 s++;
 105             }
 106             found = FALSE;
 107             for (code = TRUE; *s != '\0'; code = FALSE, s++) {
 108                 for (t = delim; *t != '\0'; t++) {
 109                     if (*s == *t) {
 110                         found = TRUE;
 111                         break;
 112                     }
 113                 }
 114                 if (found)
 115                     break;
 116             }
 117             if (code && *d == '\0')
 118                 return code;
 119             if (*s++ == 0)
 120                 break;
 121         }
 122     }
 123     return FALSE;
 124 }